Special lotus root and nanopores provide the ultimate environment for nitrobacteria to grow, thus enhance their performance in dealing with harmful nitrate and nitrite.
Ideal biochemical filtration media
Filter and mineralize water simultaneously
VAST surface area for bacteria cultivation
Well-designed formula for fishes growth and health
3380㎡/L Specific surface area
Filtration media area increase by more than 3 times, reaching up to 3380㎡/L thanks to our patented lotus root plus spiral structure. By such innovation, the bacteria house provides more surface area for bacteria cultivation, thus enhance the filtration effect and effeciency.
Water absorption rate of 80%
Water absorption rate of 80% certifies maximum media filter efficiency.
Rich mineral elements and Far Infrared Ray Emits
Contains various minerals for fish, coral, and plants, including K, Mg, Fe, Zn, Na, Ca, which improves the growth rates of fish bones while enhancing fish appetites and optimally balancing their blood conditions. Mountain Tree Spiral Bacteria House is far-infrared super ceramics added, expensive gems, silicon ore, germanium, and tourmaline. Contain various minerals that are vital for the fish digestive system, colon, bones, blood…What’s more, the minerals dissolve out of ore and let fish grow vigor.
Is delivery free?
We offer free delivery on the majority of our products over £50. This excludes live fish and bespoke filters. Delivery to UK mainland addresses is £3.95 as standard, or £6.95 for express.
How do I return a product?
Get in touch via email or phone and let us know your problem, we will then help as much as possible. A postage address will be given for you to return the product back to us, and postage will be refunded where applicable to our terms and conditions, which are in line with consumer rights.
At Steel City Koi, we offer a wide range of safe and secure payment options when shopping with us.
Accepted payment methods:
Debit/Credit Cards (Inc American Express)
BACS (for faster dispatch of products) please get in touch for this
Cash upon collection *only for live fish
Pay Later options currently include Klarna and Clearpay